System for controlling a positioning device, in particular actuators pertaining to machine tools, with an incremental position measuring device with output signals of the form sin &phgr;1, sin (&phgr;1±p) and a control unit converting the output signals into control signals and consequently controlling a positioning device, [lacuna] that means for mixing a correction angle &phgr;2 into the output signals are provided and connected between the position measuring device and the control unit in such a way that the output signals obtain the forms sin (&phgr;1 ±&phgr;2), sin (&phgr;1 ±&phgr;2±p) before they are converted,into control signals by the control unit.
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August 5, 2002
November 4, 2003
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